Mamin Vladislav
From Saint Petersburg, Russia
EMA: 15990329
Common russian riichi rating (CRR)
Rating date Dec. 11, 2024 (latest changes Dec. 11, 2024).
188 place (134.74).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (521.74 * 2.10 * 1 + 115.79 * 3.85 * 1 + 0 + 0 + 0) / (2.10 * 1 + 3.85 * 1 + 1 + 1 + 1) = 172.22793296089387
p2 = (521.74 * 2.10 * 1 + 115.79 * 3.85 * 1) / max_coefficients = 97.25173501577288
score = 172.22793296089387 * 0.5 + 97.25173501577288 * 0.5 = 134.73983398833337
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-14 | 190 -> 188 | 134.74 | |
| 2024-11-05 | 192 -> 190 | 134.74 | |
| 2024-11-04 | 188 -> 192 | 134.74 | |
| 2024-10-27 | 187 -> 188 | 134.74 | |
| 2024-10-13 | 172 -> 187 | 135.75 -> 134.74 | |
| 2024-10-11 | 173 -> 172 | 135.75 | |
| 2024-09-15 | 170 -> 173 | 135.75 | |
| 2024-09-06 | 173 -> 170 | 135.75 | |
| 2024-09-03 | 173 | 133.98 -> 135.75 | |
| 2024-09-01 | 165 -> 173 | 148.87 -> 133.98 |
SPB Riichi Open 2024: 0% -> 100% |